LG 65LA970V Service Manual page 125

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Error
B. Power error _No power
Content Check power input voltage and ST-BY 3.5V
Check the DC 24V, 12V, 3.5V.
18 Pin (Power Board ↔ Main Board)
1 Power on
3
3.5V
5
3.5V
7 GND
9 24V
11 GND
13 12V
15 12V
17 GND
A18
Established
2013.01.31
date
Revised
date
2 INV ON
4
PDIM#1
6
PDIM#2
8 GND
10 24V
12 GND
14 12V
16 24V
18 GND
A18
LGE Internal Use Only